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Mass Transfer

Mass Transfer
When the temperature and humidity of air is low, we usually use __________ draft cooling tower.

Natural
None of these
Forced
Induced

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Mass Transfer
With increase in the concentration of the adsorbate, the integral heat of adsorption

Decreases
Increases
May increase or decrease ; depends on the type of adsorbate
Remains unchanged

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Mass Transfer
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

Sieve tray column
Agitated vessel
Bubble cap column
Packed tower

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Mass Transfer
Mass transfer co-efficient is defined as

Flux = Co-efficient/concentration difference
Co-efficient = Flux/concentration difference
None of the listed here
Flux=concentration difference/co-effi-cient

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Mass Transfer
For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer.

None of these
Rotary
Tunnel
Tray

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Mass Transfer
Which of the following increases during evaporative cooling process with recirculated water supply?

Wet bulb temperature
Both B and C
Relative humidity
Partial pressure of vapour

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